2012 BMW 640 review

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Replacing the batteries
No rechargeable batteries Do not use rechargeable batteries, as damage may result from the substances in the batteries. 1. Remove the cover. Press on the cover, arrow 1, and push forward, ...

Variable sport steering
The variable sport steering increases the steering angle of the front wheels at large steering wheel angles, e.g., in tight curves or when parking. Steering becomes more direct. It also varies ...

Brake assistant
When you apply the brakes rapidly, this system automatically produces the maximum braking force boost. It thus helps to achieve the shortest possible braking distance during full braking. This ...